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linux/sound/hda
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Takashi Iwai f8e4ae10de ALSA: hda: Allow setting preallocation again for x86 
The commit c31427d0d2 ("ALSA: hda: No preallocation on x86
platforms") changed CONFIG_SND_HDA_PREALLOC_SIZE setup and its default
to zero for x86, as the preallocation should work almost all cases.
However, this expectation was too naive; some applications try to
allocate as the max buffer size as possible, and it leads to the
memory exhaustion.  More badly, the commit changed the kconfig no
longer adjustable for x86, so you can't fix it statically (although it
can be still adjusted via procfs).

So, practically seen, it's more recommended to set a reasonable limit
for x86, too.  This patch follows to that experience, and changes the
default to 2048 and allow the kconfig adjustable again.

Fixes: c31427d0d2 ("ALSA: hda: No preallocation on x86 platforms")
Cc: <stable@vger.kernel.org>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207223
Link: https://lore.kernel.org/r/20200413201919.24241-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-04-13 22:22:28 +02:00
..
ext ASoC: Fixes for v5.6 2020-02-18 13:33:39 +01:00
array.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
hda_bus_type.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
hdac_bus.c ALSA: hda: Update kernel-doc function parameter descriptions 2020-01-14 07:40:37 +01:00
hdac_component.c ALSA: hda: Update kernel-doc function parameter descriptions 2020-01-14 07:40:37 +01:00
hdac_controller.c ALSA: hda: Update kernel-doc function parameter descriptions 2020-01-14 07:40:37 +01:00
hdac_device.c ALSA: hda: Use scnprintf() for string truncation 2020-03-13 15:59:04 +01:00
hdac_i915.c ALSA: hda: Fix 1-minute detection delay when i915 module is not available 2019-07-27 08:31:46 +02:00
hdac_regmap.c ALSA: hda: Manage concurrent reg access more properly 2020-01-13 13:40:41 +01:00
hdac_stream.c ALSA: hda: Reset stream if DMA RUN bit not cleared 2020-01-28 10:29:41 +01:00
hdac_sysfs.c ALSA: hda: Simplify snd_hdac_refresh_widgets() 2019-07-05 12:01:06 +02:00
hdmi_chmap.c ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs 2020-02-18 10:15:41 +01:00
intel-dsp-config.c ALSA: hda: Allow non-Intel device probe gracefully 2019-10-28 16:09:02 +01:00
intel-nhlt.c ALSA: hda: More constifications 2020-01-05 16:14:32 +01:00
Kconfig ALSA: hda: Allow setting preallocation again for x86 2020-04-13 22:22:28 +02:00
local.h ALSA: hda: Unexport a few more stuff 2019-08-14 20:00:56 +02:00
Makefile ALSA: hda: add Intel DSP configuration / probe code 2019-10-23 06:31:37 +02:00
trace.c ALSA: hda - Re-add tracepoints to HD-audio core driver 2015-03-23 13:17:58 +01:00
trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00